1 /* $NetBSD: smc.h,v 1.1 2014/04/13 02:26:26 matt Exp $ */ 2 /*- 3 * Copyright (c) 2014 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Reinoud Zandijk. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 32 #ifndef _ARM_SAMSUNG_SMC_H_ 33 #define _ARM_SAMSUNG_SMC_H_ 34 35 /* provided by Samsung for the Exynos SMC calls */ 36 37 #define SMC_CMD_INIT (-1) 38 #define SMC_CMD_INFO (-2) 39 /* For Power Management */ 40 #define SMC_CMD_SLEEP (-3) 41 #define SMC_CMD_CPU1BOOT (-4) 42 #define SMC_CMD_CPU0AFTR (-5) 43 /* For CP15 Access */ 44 #define SMC_CMD_C15RESUME (-11) 45 /* For L2 Cache Access */ 46 #define SMC_CMD_L2X0CTRL (-21) 47 #define SMC_CMD_L2X0SETUP1 (-22) 48 #define SMC_CMD_L2X0SETUP2 (-23) 49 #define SMC_CMD_L2X0INVALL (-24) 50 #define SMC_CMD_L2X0DEBUG (-25) 51 52 53 /* XXX status of the following SMC is not known */ 54 /* For Accessing CP15/SFR (General) */ 55 #define SMC_CMD_REG (-101) 56 57 /* MACRO for SMC_CMD_REG */ 58 #define SMC_REG_CLASS_CP15 (0x0 << 30) 59 #define SMC_REG_CLASS_SFR_W (0x1 << 30) 60 #define SMC_REG_CLASS_SFR_R (0x3 << 30) 61 #define SMC_REG_CLASS_MASK (0x3 << 30) 62 #define SMC_REG_ID_CP15(CRn, Op1, CRm, Op2) \ 63 (SMC_REG_CLASS_CP15 | \ 64 ((CRn) << 10) | ((Op1) << 7) | ((CRm) << 3) | (Op2)) 65 #define SMC_REG_ID_SFR_W(ADDR) (SMC_REG_CLASS_SFR_W | ((ADDR) >> 2)) 66 #define SMC_REG_ID_SFR_R(ADDR) (SMC_REG_CLASS_SFR_R | ((ADDR) >> 2)) 67 68 69 extern void exynos_smc(uint32_t cmd, uint32_t arg1, uint32_t arg2, uint32_t arg3); 70 71 #endif /* _ARM_SAMSUNG_SMC_H_ */ 72 73